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23301232540000 = 255419499312281
BaseRepresentation
bin1010100110001001111011…
…01100000011100101100000
310001111120112221220022212121
411103010331230003211200
511023231411012240000
6121320234412234024
74623313156434412
oct523047554034540
9101446487808777
1023301232540000
117473aa7341608
122743b2776b914
1310003b20bab3c
145a7addc569b2
152a61ba0a0b1a
hex15313db03960

23301232540000 has 240 divisors, whose sum is σ = 60358607250480. Its totient is φ = 8827453440000.

The previous prime is 23301232539971. The next prime is 23301232540009. The reversal of 23301232540000 is 4523210332.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23301232540009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1897333860 + ... + 1897346140.

It is an arithmetic number, because the mean of its divisors is an integer number (251494196877).

Almost surely, 223301232540000 is an apocalyptic number.

23301232540000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23301232540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30179303625240).

23301232540000 is an abundant number, since it is smaller than the sum of its proper divisors (37057374710480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23301232540000 is a wasteful number, since it uses less digits than its factorization.

23301232540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17323 (or 17300 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 23301232540000 its reverse (4523210332), we get a palindrome (23305755750332).

The spelling of 23301232540000 in words is "twenty-three trillion, three hundred one billion, two hundred thirty-two million, five hundred forty thousand".